Example usage for org.apache.lucene.search IndexSearcher search

Introduction

In this page you can find the example usage for org.apache.lucene.search IndexSearcher search.

Prototype

public <C extends Collector, T> T search(Query query, CollectorManager<C, T> collectorManager)
        throws IOException 

Source Link

Document

Lower-level search API.

Usage

From source file:com.ivannotes.searchbee.SearchBee.java

License:Apache License

/**
 * ?/*from www .ja  v a 2s.  c om*/
 * 
 * @param keyWords key words
 * @param page ?
 * @param pageSize ?
 * @return {@link PaginationResult} 
 * @see PaginationResult
 * @throws IOException
 */
public final PaginationResult doPaginationQuery(String keyWords, int page, int pageSize,
        QueryBuilder queryBuilder) throws IOException {
    PaginationResult result = new PaginationResult();
    result.setCurrentPage(page);
    result.setPageSize(pageSize);

    IndexSearcher idxSearch = getIndexSearcher();
    Query query = queryBuilder.buildQuery(keyWords);
    TopDocs topDocs = idxSearch.search(query, MAX_RESULT);

    int totalHits = topDocs.totalHits;
    result.setTotalHits(totalHits);

    int start = page * pageSize;
    int end = start + pageSize;

    List<Document> docs = new ArrayList<Document>();
    ScoreDoc[] scoreDocs = topDocs.scoreDocs;
    result.setDocs(docs);
    if (null == scoreDocs || scoreDocs.length == 0) {
        return result;
    }

    for (int i = start; i < totalHits; i++) {
        if (i > (end - 1)) {
            break;
        }
        docs.add(idxSearch.doc(scoreDocs[i].doc));
    }

    if (logger.isDebugEnabled()) {
        logger.debug(String.format("search result: totalHits-%d curPage-%d pageSize-%d", result.getTotalHits(),
                result.getCurrentPage(), result.getPageSize()));
    }

    return result;
}

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From source file:com.javapr.plaintextindex.search.Suchen.java

License:Apache License

public void sucheString(String line) throws IOException, ParseException

{
    frame = new JFrame();
    frame.setTitle("Lucene Suche");
    frame.setSize(400, 180);//  w w  w.  j  a  v a  2  s . c  om
    frame.setLocation(400, 400);
    frame.setVisible(true);
    panel = new JPanel(new BorderLayout(5, 5));
    list = new JList();
    panel1 = new JPanel(new GridLayout(1, 1));
    panelLabel = new JPanel(new GridLayout(2, 1));
    pane = new JScrollPane(panel1);
    labelAnzData = new JLabel();
    alert = new JLabel();
    suche = new JLabel();
    dir = new JLabel();
    panel.add(panelLabel, BorderLayout.WEST);
    panel.add(pane, BorderLayout.CENTER);
    frame.add(panel);

    String field = "contents";
    int hitsPerPage = 10;

    try {
        IndexReader indexReader = DirectoryReader.open(FSDirectory.open(new File(Prop.Indexdirectory(null))));
        IndexSearcher indexSearcher = new IndexSearcher(indexReader);
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_42);
        QueryParser parser = new QueryParser(Version.LUCENE_42, field, analyzer);

        list1 = new ArrayList<Object>();

        try {
            Query query = parser.parse(line);

            suche = new JLabel("Suche nach: " + line);
            panelLabel.add(suche);

            TopDocs results = indexSearcher.search(query, 5 * hitsPerPage);
            ScoreDoc[] hits = results.scoreDocs;

            int end = hits.length;

            //Liste erzeugen und mit gefundenen Dateinamen fllen
            for (int i = 0; i < end; i++) {
                Document doc = indexSearcher.doc(hits[i].doc);
                String path = doc.get("filename");
                File file = new File(Prop.Filestoindex(null) + "\\" + doc.get("filename"));
                if (path != null) {
                    list1.add(path + ", " + file.length() / 1024 + "kb");
                }
            }

            labelAnzData = new JLabel(hits.length + " Gefundene Datei(en): ");
            panelLabel.add(labelAnzData);
            list = new JList(list1.toArray());
            panel1.add(list);

        } catch (ParseException p) {
            alert = new JLabel("String eingeben!");
            panel.add(alert);
            ;
        }
    } catch (IOException e) {
        dir.setText("<html><body>Index-Datei nicht gefunden!<br>Bitte Index erstellen!</body></html>");
        panel.add(dir);
    }
}

---

From source file:com.leavesfly.lia.advsearching.MultiFieldQueryParserTest.java

License:Apache License

public void testDefaultOperator() throws Exception {
    Query query = new MultiFieldQueryParser(Version.LUCENE_30, new String[] { "title", "subject" },
            new SimpleAnalyzer()).parse("development");

    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir, true);
    TopDocs hits = searcher.search(query, 10);

    assertTrue(TestUtil.hitsIncludeTitle(searcher, hits, "Ant in Action"));

    assertTrue(TestUtil.hitsIncludeTitle( // A
            searcher, // A
            hits, // A
            "Extreme Programming Explained")); // A
    searcher.close();//from  w w w  . j a va  2s  .co  m
    dir.close();
}

---

From source file:com.leavesfly.lia.advsearching.MultiFieldQueryParserTest.java

License:Apache License

public void testSpecifiedOperator() throws Exception {
    Query query = MultiFieldQueryParser.parse(Version.LUCENE_30, "lucene", new String[] { "title", "subject" },
            new BooleanClause.Occur[] { BooleanClause.Occur.MUST, BooleanClause.Occur.MUST },
            new SimpleAnalyzer());

    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir, true);
    TopDocs hits = searcher.search(query, 10);

    assertTrue(TestUtil.hitsIncludeTitle(searcher, hits, "Lucene in Action, Second Edition"));
    assertEquals("one and only one", 1, hits.scoreDocs.length);
    searcher.close();// w  w w . ja  v a 2 s .  c o m
    dir.close();
}

---

From source file:com.leavesfly.lia.advsearching.TimeLimitingCollectorTest.java

License:Apache License

public void testTimeLimitingCollector() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir);
    Query q = new MatchAllDocsQuery();
    int numAllBooks = TestUtil.hitCount(searcher, q);

    TopScoreDocCollector topDocs = TopScoreDocCollector.create(10, false);
    Collector collector = new TimeLimitingCollector(topDocs, // #A
            1000); // #A
    try {/*from   w w  w .j av a 2  s.  c om*/
        searcher.search(q, collector);
        assertEquals(numAllBooks, topDocs.getTotalHits()); // #B
    } catch (TimeExceededException tee) { // #C
        System.out.println("Too much time taken."); // #C
    } // #C
    searcher.close();
    dir.close();
}

---

From source file:com.leavesfly.lia.commom.TestUtil.java

License:Apache License

public static int hitCount(IndexSearcher searcher, Query query) throws IOException {
    return searcher.search(query, 1).totalHits;
}

---

From source file:com.leavesfly.lia.extsearch.payloads.PayloadsTest.java

License:Apache License

public void testPayloadTermQuery() throws Throwable {
    addDoc("Hurricane warning",
            "Bulletin: A hurricane warning was issued at " + "6 AM for the outer great banks");
    addDoc("Warning label maker", "The warning label maker is a delightful toy for "
            + "your precocious seven year old's warning needs");
    addDoc("Tornado warning",
            "Bulletin: There is a tornado warning for " + "Worcester county until 6 PM today");

    IndexReader r = writer.getReader();//from   w  w  w. ja v a  2  s .co  m
    writer.close();

    IndexSearcher searcher = new IndexSearcher(r);

    searcher.setSimilarity(new BoostingSimilarity());

    Term warning = new Term("contents", "warning");

    Query query1 = new TermQuery(warning);
    System.out.println("\nTermQuery results:");
    TopDocs hits = searcher.search(query1, 10);
    TestUtil.dumpHits(searcher, hits);

    assertEquals("Warning label maker", // #B
            searcher.doc(hits.scoreDocs[0].doc).get("title")); // #B

    Query query2 = new PayloadTermQuery(warning, new AveragePayloadFunction());
    System.out.println("\nPayloadTermQuery results:");
    hits = searcher.search(query2, 10);
    TestUtil.dumpHits(searcher, hits);

    assertEquals("Warning label maker", // #C
            searcher.doc(hits.scoreDocs[2].doc).get("title")); // #C
    r.close();
    searcher.close();
}

---

From source file:com.leavesfly.lia.meetlucene.Fragments.java

License:Apache License

public void simpleSearch() throws IOException {
    Directory dir = FSDirectory.open(new File("/tmp/index"));
    IndexSearcher searcher = new IndexSearcher(dir);
    Query q = new TermQuery(new Term("contents", "lucene"));
    TopDocs hits = searcher.search(q, 10);
    searcher.close();//from   www  .j  av a  2s.  com
}

---

From source file:com.leavesfly.lia.meetlucene.Searcher.java

License:Apache License

public static void search(String indexDir, String q) throws IOException, ParseException {

    Directory dir = FSDirectory.open(new File(indexDir)); //3
    IndexSearcher is = new IndexSearcher(dir); //3   

    QueryParser parser = new QueryParser(Version.LUCENE_30, // 4
            "contents", //4
            new StandardAnalyzer( //4
                    Version.LUCENE_30)); //4
    Query query = parser.parse(q); //4   
    long start = System.currentTimeMillis();
    TopDocs hits = is.search(query, 10); //5
    long end = System.currentTimeMillis();

    System.err.println("Found " + hits.totalHits + //6  
            " document(s) (in " + (end - start) + // 6
            " milliseconds) that matched query '" + // 6
            q + "':"); // 6

    for (ScoreDoc scoreDoc : hits.scoreDocs) {
        Document doc = is.doc(scoreDoc.doc); //7      
        System.out.println(doc.get("fullpath")); //8  
    }/*from   w  w  w.  ja v a2  s.  c o  m*/

    is.close(); //9
}

---

From source file:com.leavesfly.lia.searching.BasicSearchingTest.java

License:Apache License

public void testTerm() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory(); //A
    IndexSearcher searcher = new IndexSearcher(dir); //B

    Term t = new Term("subject", "ant");
    Query query = new TermQuery(t);
    TopDocs docs = searcher.search(query, 10);
    assertEquals("Ant in Action", //C
            1, docs.totalHits); //C

    t = new Term("subject", "junit");
    docs = searcher.search(new TermQuery(t), 10);
    assertEquals("Ant in Action, " + //D
            "JUnit in Action, Second Edition", //D
            2, docs.totalHits); //D

    searcher.close();/*from  w ww  .j  a  v a2 s.c  om*/
    dir.close();
}

---

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